public class FunctionLookup extends SystemFunctionCall implements Callable
operationargumentEFFECTIVE_BOOLEAN_VALUE, EVALUATE_METHOD, EVENT_FEED_METHOD, INHERITED_CONTEXT, INSPECTION_CONTEXT, ITEM_FEED_METHOD, ITERATE_METHOD, locationId, MAX_SEQUENCE_LENGTH, MAX_STRING_LENGTH, NAVIGATION_CONTEXT, NODE_VALUE_CONTEXT, PROCESS_METHOD, PUSH_SELECTION, staticProperties, UNBOUNDED_LOWER, UNBOUNDED_UPPER, W3C_CONSUMING, W3C_FREE_RANGING, W3C_GROUP_CONSUMING, W3C_MOTIONLESS, WATCH_METHOD| Constructor and Description |
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FunctionLookup() |
| Modifier and Type | Method and Description |
|---|---|
void |
bindStaticContext(StaticContext env)
Bind aspects of the static context on which the particular function depends
|
Sequence |
call(XPathContext context,
Sequence[] arguments)
Evaluate the expression
|
FunctionLookup |
copy()
Copy an expression.
|
boolean |
equals(Object o)
Determine whether two expressions are equivalent
|
FunctionItem |
evaluateItem(XPathContext context)
Run-time evaluation.
|
int |
getIntrinsicDependencies()
Determine the intrinsic dependencies
|
FunctionItem |
lookup(StructuredQName name,
int arity,
XPathContext context) |
Expression |
preEvaluate(ExpressionVisitor visitor)
Pre-evaluate a function at compile time.
|
addContextDocumentArgument, addDocToPathMap, checkArguments, computeCardinality, computeSpecialProperties, equalOrNull, getContextNode, getConvertingCallable, getDefaultArgumentNode, getDetails, getErrorCodeForTypeErrors, getFunctionItemType, getImplementationMethod, getItemType, getOperation, getRequiredType, iterateSubExpressionInfo, makeSystemFunction, optimize, setDetails, useContextItemAsDefaultaddExternalFunctionCallToPathMap, checkArgumentCount, explain, getArguments, getDisplayName, getExpressionName, getFunctionName, getNumberOfArguments, hashCode, iterateSubExpressions, promote, replaceSubExpression, setArguments, setFunctionName, simplify, simplifyArguments, toString, typeCheckaddToPathMap, adoptChildExpression, checkForUpdatingSubexpressions, checkPermittedContents, computeDependencies, computeStaticProperties, doPromotion, dynamicError, effectiveBooleanValue, evaluateAsString, evaluatePendingUpdates, explain, getCardinality, getColumnNumber, getColumnNumber, getConstructType, getContainer, getDependencies, getEvaluationMethod, getExecutable, getExpressionCompiler, getHostLanguage, getIntegerBounds, getLineNumber, getLineNumber, getLocationId, getLocationProvider, getObjectName, getProperties, getProperty, getPublicId, getSlotsUsed, getSpecialProperties, getStreamability, getStreamingAdjunct, getSystemId, getSystemId, hasVariableBinding, implementsStaticTypeCheck, isSubtreeExpression, isUpdatingExpression, isVacuousExpression, iterate, iterateEvents, markTailFunctionCalls, process, resetLocalStaticProperties, setContainer, setEvaluationMethod, setFiltered, setFlattened, setLocationId, staticTypeCheck, suppressValidation, toPattern, toStreamingPattern, typeErrorpublic void bindStaticContext(StaticContext env) throws XPathException
SystemFunctionCallbindStaticContext in class SystemFunctionCallenv - the static context of the function callXPathException - if execution with this static context will inevitably failpublic int getIntrinsicDependencies()
getIntrinsicDependencies in class Expressionpublic Expression preEvaluate(ExpressionVisitor visitor) throws XPathException
FunctionCallpreEvaluate in class FunctionCallvisitor - an expression visitorXPathException - if evaluation failspublic FunctionLookup copy()
SystemFunctionCallcopy in class SystemFunctionCallpublic boolean equals(Object o)
equals in class SystemFunctionCallpublic FunctionItem evaluateItem(XPathContext context) throws XPathException
evaluateItem in class Expressioncontext - The context in which the expression is to be evaluatedXPathException - if any dynamic error occurs evaluating the
expressionpublic FunctionItem lookup(StructuredQName name, int arity, XPathContext context) throws XPathException
XPathExceptionpublic Sequence call(XPathContext context, Sequence[] arguments) throws XPathException
call in interface Callablecontext - the dynamic evaluation contextarguments - the values of the arguments, supplied as SequenceIteratorsXPathException - if a dynamic error occurs during the evaluation of the expressionCopyright (c) 2004-2013 Saxonica Limited. All rights reserved.